128518425

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{11657}}^1$

素因数の和:11687

約数の個数: 54

約数和(自身を含む): 267795918

約数和(自身を除く): 139277493

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 441, 525, 735, 1225, 1575, 2205, 3675, 11025, 11657, 34971, 58285, 81599, 104913, 174855, 244797, 291425, 407995, 524565, 571193, 734391, 874275, 1223985, 1713579, 2039975, 2622825, 2855965, 3671955, 5140737, 6119925, 8567895, 14279825, 18359775, 25703685, 42839475, 128518425]

約数ペア:

[(1, 128518425), (3, 42839475), (5, 25703685), (7, 18359775), (9, 14279825), (15, 8567895), (21, 6119925), (25, 5140737), (35, 3671955), (45, 2855965), (49, 2622825), (63, 2039975), (75, 1713579), (105, 1223985), (147, 874275), (175, 734391), (225, 571193), (245, 524565), (315, 407995), (441, 291425), (525, 244797), (735, 174855), (1225, 104913), (1575, 81599), (2205, 58285), (3675, 34971), (11025, 11657)]